The monroe doctrine was directed at

to all Europeans But the British who supported the Dictatorship it would have failed but for the British the USA never had a navy to support it 

The answer is europe or europeans 
 
But the British who supported the Dictatorship it would have failed but for the British the USA never had a navy to support it 

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more